Modular catchpit developed using finite element analysis techniques to ensure it meets the following standards: Network Rail NR/SP/TRK/9006; LUL Engineering E3321 A4; BS 5400 Part 2 LU Loadings and Network Rail Product Acceptance Certificate PA05/03


Demco TerraPit™ is the lightweight alternative to traditional concrete catchpits for use in the rail track drainage system. A modular system made from GRP, it is quick and easy to install and significantly cuts overall costs.

It is suitable for installation directly under track and adjacent to sleepers with heavy duty mainline loadings and has a design life minimum of 60 years.

It has open location joints for use with collector drains.All sections will accept an approved steel or GRP cover. Location holes provided in top flange for locking if required.

Pipe Connections: End connections will accept pipes up to 355mm OD using TerraPit™ EC connectors. Inlet positioned 25mm higher than outlet. Side wall connections can be made on site using SW adaptor kits.



# Modular lightweight GRP
# Quick and easy to install
# Major savings in installed costs
# Suitable for the heaviest freight lines
# Excellent life
# Corrosion & general chemical resistant
# Suitable for all depths
# No heavy lifting equipment required. Maximum 2-man lift per section

Head Office: +44 (0)1359 271167   |   Coventry Office: +44 (0)2476 602323   |   Telford Office: +44 (0)1952 459778

Marton Geotechnical Services Ltd
Geotechnical Centre, Rougham Industrial Estate, Rougham, Bury St Edmunds, Suffolk IP30 9ND

Geotechnical Instrumentation | Groundwater Monitoring | Landfill Gas Extraction Venting Systems

Drilling: Site investigation, land remediation and water well construction.
Products: Geoscreen, Geofilter, Duroscreen, Bentonites, Filter media, Piezometers.

Groundwater: Monitoring, sampling remediation and control.
Products: Diver Dataloggers, Groundwater Monitoring Software.

Landfill Drainage: Collection and removal of leachate and methane gas.
Products: PE Pipework, Telescopic Duroscreen, Wellheads, Knockout Pots, Manifolds & Chambers.

Demco Rail Track Drainage, Sewer and Culvert Rehabilitation products.
Products: Terradrain, Terraline, Terrafilter, Terrapit.

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Products: Geothermal loops, Geothermal Grouts, Geothermal Test Units.

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Fraste: Fraste hydraulic drilling rigs and accessories
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